/**
* Enable an emergency-command parser to intercept certain commands as they
* enter the serial receive buffer, so they cannot be blocked.
* Currently handles M108, M112, M410
* Does not work on boards using Arduino DUE processors!
*/
//#define EMERGENCY_PARSER

### Version 4.2.0
* Add Dual Extruder DONDOLO.
* Add PID Extrusion Rate Kc in percent.
* New configuration systems (Now you can create a separate file with all configuration and use it in you FW update).
* New namings for file.
* Added more documentation inside configuration file.
* More checks for feature incompatibility during compilation.
* Codeclean.
* General bugfix.
* Removed legacy support for old configuration (Do not use your old configuration files, namings and position for configuration has changed).

### Version 4.1.5
* Added dot for SD write operation.
* Added statistics menu.
* Added an overall configuration file.
* Added M70 gcode for calibrate AC721 current sensor.
* Added documentation for calibrate AC721 current sensor.
* Critical stepper motor frequency bugfix.
* Introduced more intuitive menu tree.
* Added a menu option to fix loose steps from LCD.
* Improved italian translation.
* G28 gcode now support the “B” flag that enable you to come back to the last position of the axis before the homing command. (Used for fix loose steps)
* Implemented FAST_PWM_FAN and FAN_SOFT_PWM also for other fan that can be added in configuration_adv file.
* Added the ability to set a min speed to the fan that can be added in configuration_adv file.
* General bugfix.

### Version 4.1.4
* Add support for Piggy Alligator board
* Add Debug_info. Repetier button info for enabled or disabled, or M111 S2 for enabled and M111 S0 for disabled.
* Improved Topography Auto Bed Level.
* Add Dryrun ABL and verbose width command G29 D or G29 V(0-4).
* Improve Autoconfiguration for Delta printer.
* Add support (test only) for NEXTION HMI LCD.
* Improved firmare test dialog.
* Bugfix for SDCONFIG routine. Now the configuration file will be readed and created only on the root of the SD.
* Improved “Thermal Runaway Protection” now the system will be halted also if the thermistor is missing before the temperature is reached as suggested in Issue #35.
* Improved “Extruder Idle Oozing Prevention” by adding a more efficient way to detect planned movements. Now this feature seems stable and can be used by anyone.
* Bugfix for sdinit.
* Removed tab character from the code.
* Removed some unuseful spacing from the code.